In the field of nuclear medicine,standardized uptake value often refers to the ability of tumors or diseased tissues to uptake radioactive tracers.It is a quantitative analysis tool that was previously only used in positive photon emission computed tomography(PET).In recent years,with the continuous improvement of nuclear medicine imaging equipment and image reconstruction algorithms,and the advancement of complex compensation technology to correct photon attenuation and scattering,this technology has begun to be used in single photon emission computed tomography(SPECT),making it not only possible obtain the anatomy and metabolic information of the lesion,and objectively and quantitatively evaluate the metabolic status.The full text provides an overview of the advantages,principles and clinical applications of SPECTs quantification.
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